| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4-戊炔酸,3-羰基-5-苯基-,乙基酯 | ethyl 3-oxo-5-phenyl 4-pentynoate | 139696-93-8 | C13H12O3 |
| 4-庚烯酸,6-羰基- | 6-keto-4-heptenoic acid | 105728-86-7 | C7H10O3 |
| 4-庚烯酸,2-(1,3-二噻戊环-2-亚基)-6,6-二甲基-3-羰基- | (E)-2-(1,3-dithiolan-2-ylidene)-6,6-dimethyl-3-oxohept-4-enoic acid | 133286-24-5 | C12H16O3S2 |
| 4-噻吩-2-基-2,4-二氧丁酸 | 4-thienyl-2,4-dioxobutanoic acid | 105356-57-8 | C8H6O4S |
| 4-呋喃-2-基-4-氧代丁酸 | 4-(furan-2-yl)-4-oxobutanoic acid | 10564-00-8 | C8H8O4 |
| 4-呋喃-2-基-2,4-二氧代丁酸甲酯 | methyl 4-(furan-2-yl)-2,4-dioxobutanoate | 374063-90-8 | C9H8O5 |
| 4-叔丁氧基乙酰乙酸乙酯 | ethyl 4-(tert-butoxy)-3-oxobutanoate | 67354-35-2 | C10H18O4 |
| 4-乙酰氨基-2-氰基-3-氧代丁酸甲酯 | Methyl 4-acetamido-2-cyano-3-oxobutanoate | 105688-23-1 | C8H10N2O4 |
| 4-乙酰氧基-3-氧代丁酸甲酯 | 4-acetoxy-3-oxo-butyric acid methyl ester | 87730-99-2 | C7H10O5 |
| 4-乙酰氧基-3-氧代丁酸乙酯 | ethyl 4-acetoxyacetoacetate | 35594-15-1 | C8H12O5 |
| 4-乙酰氧基-2-(4-吡啶基亚甲基)乙酰乙酸乙酯 | ethyl 4-acetoxy-2-(4-pyridylmethylene)acetoacetate | 103293-28-3 | C14H15NO5 |
| 4-乙酰基四氢-2H-吡喃-4-羧酸乙酯 | 4-acetyl-tetrahydro-pyran-4-carboxylic acid ethyl ester | 850637-12-6 | C10H16O4 |
| 4-乙氧基-3-氧代丁酸乙酯 | ethyl 4-ethoxy-3-oxobutanoate | 41051-14-3 | C8H14O4 |
| 4-乙氧基-2-甲基-3-氧代丁酸乙酯 | 4-ethoxy-2-methyl-acetoacetic acid ethyl ester | 412035-16-6 | C9H16O4 |
| 4-乙基-3-氧代辛酸乙酯 | ethyl 4-ethyl-3-oxooctanoate | 83269-79-8 | C12H22O3 |
| 4-[(1-氧代烯丙基)氧基]丁基乙酰乙酸酯 | 4-Prop-2-enoyloxybutyl 3-oxobutanoate | 13025-07-5 | C11H16O5 |
| 4-(呋喃-2-基)-4-羟基-2-氧代丁酸 | 4-(furan-2-yl)-4-hydroxy-2-oxobutanoic acid | 1034123-70-0 | C8H8O5 |
| 4-(叔丁氧基羰基氨基)-3-氧代丁酸乙酯 | ethyl 4-((tert-butoxycarbonyl)amino)-3-oxobutanoate | 67706-68-7 | C11H19NO5 |
| 4-(二甲氧基磷酰基)-3-氧代丁酸乙酯 | ethyl 4-(dimethoxyphosphinyl)-3-oxobutanoate | 103517-82-4 | C8H15O6P |
| 4-(乙基氧基)-3-氧代丁酸甲酯 | methyl γ-ethoxyacetoacetate | 415678-65-8 | C7H12O4 |
| 4-(6-甲氧基-3-吡啶基)-4-氧代丁酸 | 4-(6-Methoxypyridin-3-YL)-4-oxobutyric acid | 898784-56-0 | C10H11NO4 |
| 4-(5-甲基-2-噻吩)-4-氧丁酸 | 4-(5-methylthiophen-2-yl)-4-oxobutanoic acid | 22988-52-9 | C9H10O3S |
| 4-(5-氯-2-噻吩)-4-氧丁酸 | 3-(5-chlorothienoyl)propionic acid | 70685-06-2 | C8H7ClO3S |
| 4-(5-十八烷基噻吩-2-基)-4-氧代丁酸甲酯 | methyl 4-(5-octadecylthiophen-2-yl)-4-oxobutanoate | 111514-83-1 | C27H46O3S |
| 4-(5-乙基-2-噻吩基)-4-氧代丁酸 | 4-(5-ethyl-2-thienyl)-4-oxobutanoic acid | 91061-68-6 | C10H12O3S |
| 4-(5-(乙氧基羰基)-1H-吡咯-3-基)-4-氧代丁酸 | 4-[5-(ethoxycarbonyl)-1H-pyrrol-3-yl]-4-oxobutanoic acid | 119647-71-1 | C11H13NO5 |
| 4-(3-甲基-2-噻吩基)-4-氧代丁酸 | β-(3-Methyl-2-thenoyl)-propionsaeure | 39712-64-6 | C9H10O3S |
| 4-(2-甲基-1-丙基)-3-氧代-6-苯基己酸甲酯 | methyl 4-(2-methyl-1-propyl)-3-oxo-6-phenylhexanoate | 104620-22-6 | C17H24O3 |
| 4-(2-呋喃基)-3-氧代丁酸乙酯 | 4-(furan-2-yl)-3-oxobutanoic acid ethyl ester | 577776-75-1 | C10H12O4 |
| 4-(2-呋喃)-2,4-二氧代丁酸 | 4-(2-furyl)-2,4-dioxobutanoic acid | 105356-51-2 | C8H6O5 |
| 4-(2,5-二甲基噻吩-3-基)-4-氧代丁酸 | 2,5-dimethyl-γ-oxo-3-thiophenebutanoic acid | 6007-77-8 | C10H12O3S |
| 4-(1-环戊基)-3-氧代丁酸甲酯 | methyl 4-(1-cyclopentyl)-3-oxobutanoate | 104620-44-2 | C10H16O3 |
| 4-(1-乙酰基环丙基)丁酸 | 4-(1-Acetyl-cyclopropyl)-butyric acid | 176791-01-8 | C9H14O3 |
| 4-((叔丁基二甲基甲硅烷基)氧基)-3-氧代丁酸乙酯 | ethyl 4-((tert-butyldimethylsilyl)oxy)-3-oxobutanoate | 1341195-54-7 | C12H24O4Si |
| 4,9-癸二烯酸,2-乙酰基-8-氯-5,9-二甲基-,甲基酯 | (E)-2-Acetyl-8-chloro-5,9-dimethyl-deca-4,9-dienoic acid methyl ester | 139903-15-4 | C15H23ClO3 |
| 4,7-二氧代-7-噻吩-2-庚酸 | 4,7-Dioxo-7-thiophen-2-yl-heptanoic acid | 24090-18-4 | C11H12O4S |
| 4,6-二氧代庚酸 | succinylacetone | 51568-18-4 | C7H10O4 |
| 4,5-二氧代戊酸 | 4-formyl-4-oxobutanoic acid | 5976-90-9 | C5H6O4 |
| 4,5,6-三羟基-2-氧代-己酸 | 4,5,6-trihydroxy-2-oxohexanoic acid | 17510-99-5 | C6H10O6 |
| 4,4-二甲氧基乙酰乙酸甲酯 | 4,4-dimethoxy-3-oxo-butyric acid methyl ester | 60705-25-1 | C7H12O5 |
| 4,4-二甲氧基-3-羰基戊酸甲酯 | methyl 4,4-dimethoxy-3-oxopentanoate | 62759-83-5 | C8H14O5 |
| 4,4-二甲氧基-3-氧代-丁酸丙酯 | Propyl 4,4-dimethoxy-3-oxobutanoate | 6342-54-7 | C9H16O5 |
| 4,4-二甲基-6-氧代庚酸 | Isogeronsaeure | 471-04-5 | C9H16O3 |
| 4,4-二甲基-2-氧戊酸 | 4,4-dimethyl-2-oxopentanoic acid | 34906-87-1 | C7H12O3 |
| 4,4-二氯-3-氧代丁酸乙酯 | ethyl 2,2-dichloroacetoacetate | 6082-74-2 | C6H8Cl2O3 |
| 4,4-二氟乙酰乙酸乙酯 | ethyl 4,4-difluoro-3-oxobutyrate | 352-24-9 | C6H8F2O3 |
| 4,4-二氟-3-氧代丁酸甲酯 | 4,4-difluoro-3-oxo-butanoic acid methyl ester | 89129-66-8 | C5H6F2O3 |
| 4,4-二氟-3-氧代-2-(哌啶-1-基亚甲叉)丁酸乙酯 | ethyl 4,4-difluoro-3-oxo-2-piperidin-1-ylmethylbutyrate | 1193579-15-5 | C12H17F2NO3 |
| 4,4-二乙氧基-3-氧代丁酸乙酯 | ethyl 4,4-diethoxyacetoacetate | 10495-09-7 | C10H18O5 |
| 4,4-二乙氧基-3-氧代-戊酸乙酯 | ethyl 3-oxo-4,4-diethoxypentanoate | 6312-89-6 | C11H20O5 |